Selenia User Guide
Appendix A—System Specifications
116 MAN-03270 Revision 003
A.6 Tubestand Technical Information
A.6.1 C-arm
Motorized C-arm Rotation Speed
Variable speed (18° per second maximum). Rotation speed is
service selectable: 50% to 100% in 5% increments. Motor
Control provides soft start and dynamic braking.
+195° +2° /-0° to 0° ±0.5° to -150° +0° /-2° (detent at 0°, ±90°).
Rotation angle is displayed on both sides of Gantry.
74.5 cm (29.5 inches) total travel.
Source-to-Image Distance (SID)
66.0 cm (26.0 inches) ± 1.0 cm (0.4 inches)
Source-to-Image Receptor Support Device
Distance
64.0 cm (25.2 inches) ± 1.0 cm (0.4 inches)
1.8 x for objects 22.5 mm above the magnification platform
breast support surface
A.6.2 Compression
Limited to a maximum of 300 N +0/-89 N (67.4 lb +0/-20 lb)
from 0° to +/-90° C-arm rotation. Not less than 169 N (38 lb)
for a C-arm angle range greater than +150° and an angle less
than -150°.
Functions in three operating modes, Pre-compression,
Full-Range, Dual Compression, user selectable through
software.
67 N +0/-22.3 N to 133.5 N ±22.3 N (15 lb +0/-5 lb to 30 lb ±5
lb)
Full-Range Compression Force
89 N ±22.3 N to 178 N ±22.3 N (20 lb ± 5.0 lb to 40.0 lb ± 5.0
lb)
Provides Pre-Compression force upon first activation of
compression switch; then, if switch is activated within 2
seconds, the force is increased incrementally for each additional
switch activation, up to the user selected FULL compression
force.
Up/Down controls on both sides of C-arm and on 2-position
footswitch (Motorized). Handwheel on both sides of
Compression Device (Manual).
Manual or Automatic. Motorized Release mode controlled by
push-buttons on both sides of the C-arm. User selectable
automatic release mode raises Compression Device upon
exposure termination. All release functions are disabled if a
Localization paddle is detected.
Automatic Compression Release
Moves the compression device upward a predetermined
distance (10 cm). For Magnification Mode this may be less.
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